At approximately 5 p.m., members of the Vice Square were in the area of Endicott and Vernon Streets. Officers observed a Lincoln Navigator with two occupants turn onto Perry Avenue, where the driver parked the car. Inside the car, officers said they observed a drug transaction occur between 38-year-old Francisco Abreu and 47-year-old Victor Perez.

Within the SUV, officers found "215 grams of heroin, two bags of marijuana and $1,023 cash," according to the Worcester police report.

Abreu, of Providence, RI, was arrested on the charge of trafficking in more than 200 grams of heroin.

Perez, also of Providence, was arrested on the charges of trafficking in more than 200 grams of heroin and conspiracy to violate controlled substance laws.

Heroin is a class A substance in Massachusetts. The charge of trafficking in more than 200 grams of heroin carries a mandatory 15 year state prison sentence and a fine between $50,000 and $500,000, according to Massachusetts drug laws.